Data types
PROMICE automated weather station (AWS) data undergoes three main processing steps to reach a usable data standard. The output of each step forms an intermediary data version, which we label as sequential levels.
Level 0
Level 0 is raw, untouched data in one of three formats:
[X] Copied from CF card in the field (
raw
)[X] Downloaded from logger box in the field as a Slim Table Memory (
stm
)[X] Transmitted via satellite and decoded (
tx
)
Level 1
[X] Engineering units (e.g. current or volts) converted to physical units (e.g. temperature or wind speed)
[X] Invalid/bad/suspicious data flagged
[X] Multiple data files merged into one time series per station
Level 2
[X] Calibration using secondary sources (e.g. radiometric correction requires input of tilt sensor)
[X] Observation corrections applied
[X] Station position relative to sun calculated
Level 3
[X] Derived products calculated (e.g. sensible and latent heat flux)
[X] Data merged, patched, and filled into one product